code: def act(self):
      return Message(
          {
              "id": self.getID(),
              "text": self.fixed_response,
              "episode_done": False,
          }
      )
  
file_path: ParlAI/parlai/agents/fixed_response/fixed_response.py
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.agents import Agent
  from parlai.core.message import Message
label_desc: Use image node_id 3 for calling the FixedResponseAgent obj's underlying member method code with example usage: obj.act() and returns: Message